Cleanup: unused vars, imports, pep8

intern/cycles/blender/addon/engine.py

@@ -82,7 +82,6 @@ def init():
     import bpy
     import _cycles
     import os.path
-    import sys
 
     # Workaround possibly buggy legacy drivers which crashes on the OpenCL
     # device enumeration.
@@ -103,10 +102,12 @@ def init():
     _cycles.init(path, user_path, bpy.app.background)
     _parse_command_line()
 
+
 def exit():
     import _cycles
     _cycles.exit()
 
+
 def create(engine, data, scene, region=None, v3d=None, rv3d=None, preview_osl=False):
     import bpy
     import _cycles

intern/cycles/blender/addon/properties.py

@@ -1013,7 +1013,6 @@ class CyclesObjectSettings(bpy.types.PropertyGroup):
                 default=1.0,
                 )
 
-
     @classmethod
     def unregister(cls):
         del bpy.types.Object.cycles

intern/cycles/blender/addon/ui.py

@@ -887,7 +887,7 @@ class CyclesLamp_PT_lamp(CyclesButtonsPanel, Panel):
 
         lamp = context.lamp
         clamp = lamp.cycles
-        cscene = context.scene.cycles
+        # cscene = context.scene.cycles
 
         layout.prop(lamp, "type", expand=True)
 
@@ -1107,7 +1107,7 @@ class CyclesWorld_PT_settings(CyclesButtonsPanel, Panel):
 
         world = context.world
         cworld = world.cycles
-        cscene = context.scene.cycles
+        # cscene = context.scene.cycles
 
         split = layout.split()
 

intern/cycles/blender/addon/version_update.py

@@ -104,7 +104,6 @@ def vector_curve_node_remap(node):
     """
     Remap values of vector curve node from normalized to absolute values
     """
-    from mathutils import Vector
     if node.bl_idname == 'ShaderNodeVectorCurve':
         node.mapping.use_clip = False
         for curve in node.mapping.curves: